June 2006
Intermediate to advanced
1344 pages
42h 52m
English
book
Visual Basic 2005 for Programmers: Deitel Developer Series, Second Edition
by Paul J. Deitel - Deitel & Associates, Inc., Harvey M. Deitel - Deitel & Associates, Inc.
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13.12. Keyboard-Event Handling
Key events occur when keyboard keys are pressed and released. Such events can be handled for any control that inherits from System.Windows.Forms.Control. There are three key events—KeyPress, KeyUp and KeyDown. The KeyPress event occurs when the user presses a key that represents an ASCII character. The specific key can be determined with property KeyChar of the event handler’s KeyPressEventArgs argument. ASCII is a 128-character set of alphanumeric symbols, a full listing of which can be found in Appendix D.
The KeyPress event does not indicate whether modifier keys (e.g., Shift, Alt and Ctrl) were pressed when a key event occurred. If this information is important, the KeyUp or KeyDown events can be used. The ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.